Pub. L. 104-132, tit. VIII, subtit. A, sec. 803
PROTECTION OF FEDERAL GOVERNMENT BUILDINGS IN THE DISTRICT OF COLUMBIA.
SEC. 803. PROTECTION OF FEDERAL GOVERNMENT BUILDINGS IN THE DISTRICT OF COLUMBIA. The Attorney General and the Secretary of the Treasury may prohibit— (1) any vehicles from parking or standing on any street or roadway adjacent to any building in the District of Columbia used by law enforcement authorities subject to their jurisdiction, that is in whole or in part owned, possessed, or leased to the Federal Government; and (2) any person or entity from conducting business on any property immediately adjacent to any building described in paragraph (1).